Description
Irwin 9/16″ Tri Flute Drill Bit Speedbor Max. Three cutting spurs for faster, cleaner holes, less breakout, and extended drilling life. Full screw-point tip allows bit to self-feed for ease of drilling. Tapered tri-flute design for faster chip ejection and less binding. 1/4″ quick-change shank reduces slipping in standard chucks and is compatible with all 1/4″ quick-change chucks, including impact drills.
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